公开(公告)号：US20210008801A1

公开(公告)日：2021-01-14

申请号：US16088609

申请日：2017-05-10

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Sergio DE SANTIAGO DOMINGUEZ ,  Juan Manuel ZAMORANO ,  Pedro GARCIA

IPC: B29C64/393 ,  B29C64/209 ,  B29C64/329 ,  B29C64/236

Abstract: It is disclosed a system and a carriage for a 3D printing system comprising: an actuator to move the carriage; a position detection mechanism; a collision detection mechanism; and a controller. The controller to control the movement of the carriage and the controller further comprising: a memory wherein a threshold value and a detection area are stored in, the detection area comprising a set of position values of the carriage; an input to receive a position signal from the position detection mechanism and a detection signal from the collision detection mechanism; and an output to issue an alert signal if the detection signal corresponds to a distance below the threshold value and the position signal is within the detection area

公开(公告)号：US20210008802A1

公开(公告)日：2021-01-14

申请号：US16088616

申请日：2017-03-28

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Pedro GARCIA ,  Juan Manuel ZAMORANO ,  Luis ORTEGA

IPC: B29C64/393 ,  B33Y30/00 ,  B33Y50/02

Abstract: A printer comprising an electrical load, a control system and an electrical circuit to switchably connect the electrical load to a first phase and a second phase of a polyphase power supply. The control system monitors a first electrical current drawn by the printer on the first phase and a second electrical current drawn by the printer on the second phase. When a difference between the first electrical current and the second electrical current satisfies a threshold condition, the control system controls the electrical circuit to disconnect the electrical load from the first phase and connect the electrical load to the second phase.